A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and forecasted amounts are shown below. Period Demand Forecast 1 85 75 2 96 100 3 102 105 4 85 87 5 74 68 6 69 65 What is the MAD for this forecasting technique? 5.05 485 4.83 None of the other options are correct 04.05 A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and forecasted amounts are shown below. Period Demand Forecast 1 85 75 2 96 100 3 102 105 4 85 87 5 74 68 6 69 65 What is the MSE for this forecasting technique? 40.75 29.50 None of the other options are correct O 36 20 35 55 A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and forecasted amounts are shown below Period Demand Forecast 1 85 75 2 96 100 3 102 105 4 85 87 5 74 68 6 69 65 What is the sigma (or standard deviation) for this forecasting technique? O 5.025 None of the other options are correct 06.017 30BY 04.025 A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and forecasted amounts are shown below. Period Demand Forecast 1 85 75 2 96 100 3 102 105 4 85 87 5 74 68 6 69 65 If the errors are assumed to be normally distributed with CL-O, LCL-4.5 and UCL-4.5, the errors Period 2 and 3 All periods are out of control Period 1 and 5 Period 1 and 4 None of the other options are correct